# Grade 4, Video 2 Multiplying and Dividing Fluently with Ry

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Play, download and edit the free video Grade 4, Video 2 Multiplying and Dividing Fluently with Ryan Flessner.

This video addresses Indiana Academic Standard for Math 4.C.3: Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Describe the strategy and explain the reasoning. Math education consultant Ryan Flessner helps educators envision the teaching and assessment of this standard in Grade 4.

Building on their number sense from the early grades as well as the basic math facts they mastered in third grade, fourth graders begin to explore multi-digit division. It is imperative that educators working with fourth graders resist the temptation to teach the standard U.S. algorithm as this is a sixth-grade standard (6.C.1). Prior to an introduction to the standard U.S. algorithm, students must build conceptual understandings through concrete experiences.

Lessons in Grade 4 should highlight a variety of tools students can use to divide multi-digit numbers. These could capitalize on knowledge of addition, subtraction, and multiplication and utilize tools such as base ten blocks and ratio tables. Assessments should ask students to solve problems with multiple strategies while also expecting students to understand and explain the mathematics behind the strategies they use.

Intro and outro music by bensound.com

For info and resources, visit partnershipforinquirylearning.org.

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